Finding the Fourth Proportional to 318,117.99, 477,098.28 and 190,069.23
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Solution
The fourth proportional to 318,117.99, 477,098.28 and 190,069.23 is: 285,056.82
Step by Step Solution
- Step 1: Write the proportion equation
318,117.99 : 477,098.28 = 190,069.23 : x - Step 2: Convert to fraction form
318,117.99/477,098.28 = 190,069.23/x - Step 3: Cross multiply
318,117.99x = 477,098.28 × 190,069.23 - Step 4: Simplify right side
318,117.99x = 90,681,702,713.92 - Step 5: Solve for x
x = 90,681,702,713.92/318,117.99 - Step 6: Final answer
x = 285,056.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.